list = [
    "今天是个好日子",
    "明天也是个好日子",
    "后天也是个好日子",
    "大家好，中国！"  
]
#D:\1.project\py\05_特殊参数，文件IO\11_文件操作模式 .py
with open("c.txt","a+",encoding="utf-8") as f:
    
    f.seek(0)
    content = f.read()
    print(content)
    